16-Bit Microprocessor Handbook

Table 1-1. 'INS8900 and PACE Instruction Set Summary (Continued)
TYPE
MNEMONIC
OPERAND(S)
BYTES
STATUSES
C
o
L
OPERATION PERFORMED
>~w!!:
a:21-~
OWc(U)
::!ia:a: O
~~~~
a:
ISZ
DSZ
DISP(X)
DISP(X)
2
[EA]-[ EA]+,
If [EA] = 0; then [PC]-[ PC]+ 1
Increment memory. skip if zero.
[EA]-[ EA] - ,
If [EA] = 0; then [PC]-[ PC] + 1
Decrement memory. skip if zero.
~
...,
CD
~~!!:
Q~~
wwO
::!ia.Z
~Oc(
a: a:
www
1-1->
SS~
ww
a: a:
AISZ
RCPY
RXCH
r.DATA8
S.D
S.D
[rl-[ r]+DATA8
If [r] =0; then [PC]-[PC]+l
Add immediate to any Accumulator. Skip if zero. DATA8 is an 8·bit signed binary immediate
data value.
[D]-[S]
Move contents of any Accumulator (S) to any Accumulator (D).
[D]--[S]
Exchange contents of any Accumulators.
w
.a:
~
a:w
wa.
1-0
~a:
~w
WIa:U)
(;
w
a:
RADD
RADC
RAND
RXOR
S.D
S.D
S.D
S.D
2
x
x
x
x
[D]-[S]+[D]
Binary add any Accumulator to any Accumulator.
[D]-[S1+[D]+[C]
Binary add with Carry any Accumulator to any Accumulator.
[D]-[S] 1\ [D)
AND any Accumulator with any Accumulator.
[D]-[S] ¥[D]
Exclusive-OR any Accumulator with any Accumulator.
a:w
~~
U)a:
(;~
~O
SHL
SHR
ROL
ROR
r.n.1
r.n.1
r.n.'
r.n.1
2
2
2
x
X
X
X
Shift any Accumulator left n bits. Simple if 1 = 0; through Link if 1 = 1.
Shift any Accumulator left n bits. Simple if 1 = O. through Link if , = 1.
As SHL. but rotate.
As SHR. but rotate.